For triangle tri the following facts are given: segment an // segment ri at= 8 cm ar= 2 cm tn = 12 cm a) assume triangle tan is the image of triangle tri under a dilation. is the dilation an expansion or a contraction? b) what is the scale factor? c)use the side-splitting theorem to find ni.

Technicians have installed a center pivot, circular irrigator for a farm that covers 25 acres. a.) how long is the irrigation boom (in feet) from the center pivot to its farthest extent? b.) if the irrigation boom makes 4 full revolutions in a day, how many miles does the end of the boom travel in 5 days?